- https://grimoire.pro/
- https://bookmarkos.com/
- https://wakelet.com/
- https://raindrop.io/
- https://booky.io/
- https://www.knowies.com/
- https://carrylinks.com/
- https://www.zotero.org/
- https://pinalist.com/
- https://web.ggather.com/
- https://lasso.net/
- https://onekeep.com/
And the last one, is mine: https://github.com/rumca-js/Django-link-archive
My bookmark manager is also a web scraper.